Clinical comparison of speculum’s influence on intraoperative aberrometry reading
Rodrigo Franco Lafetá Queiroz,1,2 Danilo Varela Kniggendorf,1,2 André Lins de Medeiros,1,2 Wilson Takashi Hida,1–4 Celso Takashi Nakano,1,2 Pedro Carlos Carricondo,3 Walton Nosé,4 Andre Gustavo Rolim,1,2 Antonio Francisco Pimenta Motta1,21Hospital Oftalmol&...
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Dove Medical Press
2019
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oai:doaj.org-article:0970b93b88df4b6ab636b8c9180d350b2021-12-02T00:16:11ZClinical comparison of speculum’s influence on intraoperative aberrometry reading1177-5483https://doaj.org/article/0970b93b88df4b6ab636b8c9180d350b2019-06-01T00:00:00Zhttps://www.dovepress.com/clinical-comparison-of-speculums-influence-on-intraoperative-aberromet-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Rodrigo Franco Lafetá Queiroz,1,2 Danilo Varela Kniggendorf,1,2 André Lins de Medeiros,1,2 Wilson Takashi Hida,1–4 Celso Takashi Nakano,1,2 Pedro Carlos Carricondo,3 Walton Nosé,4 Andre Gustavo Rolim,1,2 Antonio Francisco Pimenta Motta1,21Hospital Oftalmológico de Brasília, Brasília, DF, Brazil; 2Centro de Estudos Oftalmológicos Renato Ambrósio, Brasília, DF, Brazil; 3Universidade de São Paulo, SP, Brazil; 4Universidade Federal de São Paulo, São Paulo, SP, BrazilPurpose: The aim of this study was to evaluate the influence of four different types of speculums on aberrometry reading (OPD SCAN III [OPD]) and on intraoperative aberrometry reading (optiwave response analyzer, ORA).Patients and methods: This prospective, controlled, comparative study of consecutive cases included the evaluation of five eyes of five patients with monofocal intraocular lens (IOL) implantation. Seventeen measures were performed on each patient: for each speculum, there were two measurements on the OPD and another two on ORA with four different types of blepharostats. A control measure was performed on the without blepharostat in the dominant eye of each patient, therefore totalizing 85 measurements. The measures with the blepharostats were as follows: without pressure (WF) or passive measure and after pressure (AF) or active measure to close the eye. The speculum used in all patients was as follows: open-edged wire (Barraquer); threaded with open blade (Lieberman), with 21 mm aperture; wired with solid blade (Barraquer); and threaded with solid blade (Lieberman) with 21 mm opening. An evaluation of the objective refractive data from the OPD and ORA and the corneal astigmatism from the OPD was performed.Results: Spherical equivalent (SE) of the OPD with the use of blepharostat compared to the OPD without speculum presented only 37.5% of results without statistical significance. Regarding the SE of ORA with speculum usage, compared to the OPD without blepharostat, only 12.5% were not significant. Regarding the accuracy of the ORA refractive axis with the use of blepharostats, all results presented statistical significance.Conclusion: Thus, in the present study, we reached the conclusion between the studied blepharostats that the most suitable for use in the aphakic and pseudophakic capture of the ORA is the open blade threaded blepharostat (Lieberman).Keywords: cataract, surgery, astigmatism, corneal topography, corneaLafetá Queiroz RFKniggendorf DVde Medeiros ALHida WTNakano CTCarricondo PCNosé WRolim AGMotta AFPDove Medical PressarticleCataractSurgeryAstigmatismCorneal topographyCorneaOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 13, Pp 953-958 (2019) |
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Cataract Surgery Astigmatism Corneal topography Cornea Ophthalmology RE1-994 |
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Cataract Surgery Astigmatism Corneal topography Cornea Ophthalmology RE1-994 Lafetá Queiroz RF Kniggendorf DV de Medeiros AL Hida WT Nakano CT Carricondo PC Nosé W Rolim AG Motta AFP Clinical comparison of speculum’s influence on intraoperative aberrometry reading |
| description |
Rodrigo Franco Lafetá Queiroz,1,2 Danilo Varela Kniggendorf,1,2 André Lins de Medeiros,1,2 Wilson Takashi Hida,1–4 Celso Takashi Nakano,1,2 Pedro Carlos Carricondo,3 Walton Nosé,4 Andre Gustavo Rolim,1,2 Antonio Francisco Pimenta Motta1,21Hospital Oftalmológico de Brasília, Brasília, DF, Brazil; 2Centro de Estudos Oftalmológicos Renato Ambrósio, Brasília, DF, Brazil; 3Universidade de São Paulo, SP, Brazil; 4Universidade Federal de São Paulo, São Paulo, SP, BrazilPurpose: The aim of this study was to evaluate the influence of four different types of speculums on aberrometry reading (OPD SCAN III [OPD]) and on intraoperative aberrometry reading (optiwave response analyzer, ORA).Patients and methods: This prospective, controlled, comparative study of consecutive cases included the evaluation of five eyes of five patients with monofocal intraocular lens (IOL) implantation. Seventeen measures were performed on each patient: for each speculum, there were two measurements on the OPD and another two on ORA with four different types of blepharostats. A control measure was performed on the without blepharostat in the dominant eye of each patient, therefore totalizing 85 measurements. The measures with the blepharostats were as follows: without pressure (WF) or passive measure and after pressure (AF) or active measure to close the eye. The speculum used in all patients was as follows: open-edged wire (Barraquer); threaded with open blade (Lieberman), with 21 mm aperture; wired with solid blade (Barraquer); and threaded with solid blade (Lieberman) with 21 mm opening. An evaluation of the objective refractive data from the OPD and ORA and the corneal astigmatism from the OPD was performed.Results: Spherical equivalent (SE) of the OPD with the use of blepharostat compared to the OPD without speculum presented only 37.5% of results without statistical significance. Regarding the SE of ORA with speculum usage, compared to the OPD without blepharostat, only 12.5% were not significant. Regarding the accuracy of the ORA refractive axis with the use of blepharostats, all results presented statistical significance.Conclusion: Thus, in the present study, we reached the conclusion between the studied blepharostats that the most suitable for use in the aphakic and pseudophakic capture of the ORA is the open blade threaded blepharostat (Lieberman).Keywords: cataract, surgery, astigmatism, corneal topography, cornea |
| format |
article |
| author |
Lafetá Queiroz RF Kniggendorf DV de Medeiros AL Hida WT Nakano CT Carricondo PC Nosé W Rolim AG Motta AFP |
| author_facet |
Lafetá Queiroz RF Kniggendorf DV de Medeiros AL Hida WT Nakano CT Carricondo PC Nosé W Rolim AG Motta AFP |
| author_sort |
Lafetá Queiroz RF |
| title |
Clinical comparison of speculum’s influence on intraoperative aberrometry reading |
| title_short |
Clinical comparison of speculum’s influence on intraoperative aberrometry reading |
| title_full |
Clinical comparison of speculum’s influence on intraoperative aberrometry reading |
| title_fullStr |
Clinical comparison of speculum’s influence on intraoperative aberrometry reading |
| title_full_unstemmed |
Clinical comparison of speculum’s influence on intraoperative aberrometry reading |
| title_sort |
clinical comparison of speculum’s influence on intraoperative aberrometry reading |
| publisher |
Dove Medical Press |
| publishDate |
2019 |
| url |
https://doaj.org/article/0970b93b88df4b6ab636b8c9180d350b |
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1718403844581359616 |